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How To Set Time in Casio G-Shock GA100 Module 5081 (in less than 1 minute) - YouTube
Hand home position correction, Reference, Specifications | G-Shock GA-100 User Manual | Page 4 / 4 | Original mode
Uhrzeit und Datum einstellen Casio G-Shock GA100 Modul 5081 (Deutsch) - YouTube